The Interaction Between Proton Pump Inhibitors and Clopidogrel and Upper Gastrointestinal Bleeding
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There is increasing concern regarding a possible adverse interaction between proton pump inhibitors (PPIs) and clopidogrel that could lead to reduced cardiovascular protection by clopidogrel. We performed a literature search for relevant original studies and systematic reviews. PPIs likely affect the antiplatelet activity of clopidogrel as measured in vitro, and this may be a class effect. We conclude that the pharmacodynamic effect has not been translated into any clinically meaningful adverse effect. PPI cotherapy reduces the incidence of recurrent peptic ulcer and of upper gastrointestinal bleeding among patients on clopidogrel.
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